Removed predefines from Doxyfile since they are no longer needed with the new Python generation method.
Removed predefines from Doxyfile since they are no longer needed with the new Python generation method.

figment/niflib,amorilia/niflib,figment/niflib,amorilia/niflib,figment/niflib,BlazesRus/niflib,niftools/niflib,neomonkeus/niflib,neomonkeus/niflib,niftools/niflib,BlazesRus/niflib,neomonkeus/niflib,niftools/niflib